Juglans nigra
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Juglans nigra

black walnut
American walnut

  family juglandaceae 
  genus juglans 

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Genus  Juglans Species  nigra Variety  Cultivar  Common names  black walnut   American walnut Family  JUGLANDACEAE Specimen number  S14064 Data source  CrscntBlm;Allergy p268;ColorNat p10;DyePl p29;DyeFib p39;MedPl p223
Life cycle
Life form  Terrestrial Life cycle  Woody perennial Life span  5 - 20 years Annual cycle  Deciduous Stature  Tree Growth form  Various Growth habit    Overall height  130' Overall spread  50'
Sunshine  Various Water  Various Optimal soil texture  Various Acceptable soil pH  Various USDA hardiness  Not classified AHS heat zones  Not classified Sunset climate zones  Not classified
Suitable for gardens  no Nursery  Unknown Compost  no Size at acquisition  1 gallon Garden location  Unknown Garden notes  The bark of Juglans nigra as well as the leaves and the hulls has been used in traditional fabric dyeing. A range of possible colors can be produced by Black walnut (also known as American walnut) including green, brown, light brown, dark brown, brownish black, black and grayish tan.
Special qualities
Tolerates drought  no Tolerates high humidity  no Tolerates seaside conditions  no Insect resistant  no Disease resistant  no Deer resistant  no Best uses    Symbiosis  Attracts butterflies  no Attracts hummingbirds  no Autumn foliage  no Colorful berries  no Desirable qualities    Other interest    Other interest color  Other interest period   
Adverse factors
Common pests  Poisonous parts  Poisonous indications  Internal poison  no Dermatologic poison  no Livestock poison  no Mechanical injury  no Hay fever pollen  Light Hay fever season  Apr 01 - May 31 Adverse qualities   
Herbal medicine
Medicinal properties  laxative   tonic   lowers cholesterol   anthelmintic   antimicrobial   astringent Medicinal parts  Inner bark   Nuts Has medicinal uses  yes Do not self-administer  no Do no use if pregnant  no Legally restricted  no Toxicity precautions  Medicinal notes  %s is edible. Black walnut (sometimes called American walnut) has numerous traditional medicinal uses. Some of its many uses are: as a laxative, as a tonic, as a cholesterol reducer and as an anthelmintic. More uses are listed in the medicinal properties section. The inner bark and the nuts are used in herbal preparations. Although this plant is freely wind-pollinated, it shouldn't pose too much difficulty to the hay fever susceptible. Hay fever season usually extends from April to May.
Traditional uses
Parts used  Traditional uses  Contemporary uses  Fragrance  Fragrance parts  Fragrance intensity    Fragrance category    Dye parts  Bark   Leaves   Hulls Dye color  green,brown,light brown,dark brown,brownish black,black,grayish tan
Propagule  Various Pollination method    Planting style    Crop spacing    Row spacing    Cold frame  Planting period    Harvesting period    Frost tolerance    Heat requirement    Fertilizer  Typical Time to harvest 
Is edible  yes Culinary uses  Nutritional value  Edible parts  Description of edible parts Flavor / texture 
Horticulture notes  Juglans nigra is a cultivated crop. Black walnut (in some places called American walnut) probably originates from Eastern Canada and Eastern US.
Tag needs printing  no Collection notes  Juglans nigra is a woody perennial. Black walnut (locally known in some parts as American walnut) is deciduous in nature.

Page 2470 of 4998

Last reviewed November 01, 2004   


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